A device for preventing deformation of the weighing column of a bridge crane hopper.

Abstract

This invention relates to the field of mechanical device technology, and in particular to a device for preventing deformation of the weighing column of a bridge crane hopper. It includes: a weighing column of the bridge crane hopper; a first support column, disposed on one side of the weighing column, which prevents the weighing column from tilting and deforming; a detection module on the first support column, including a pressure sensor and a tilt angle detector, the pressure sensor for real-time detection of the pressure P on the first support column; and a controller on the first support column for controlling the extension of the first support column based on the pressure P. This invention, by adding two additional support devices on both sides of the weighing column of the bridge crane hopper, and automatically controlling the extension of the support devices according to different parameters detected by the detection module, prevents the weighing column of the bridge crane hopper from tilting and deforming due to prolonged operation, thus reducing potential safety hazards.

Description

Technical Field

[0001] This invention relates to the field of mechanical device technology, and in particular to a device for preventing deformation of the weighing column of a bridge crane hopper. Background Technology

[0002] The bucket wheel stacker-reclaimer operates in two modes: stacking and reclaiming. For stacking, bulk material transported by a belt conveyor is unloaded onto the boom via a tail car and then dumped from the boom's front end to the stockyard. Through the machine's operation, the boom's rotation and pitch control allow the material pile to form a neat trapezoidal cross-section. Reclaiming is achieved continuously through boom rotation and bucket wheel rotation. Material is unloaded via a discharge plate onto the counter-clockwise rotating boom belt conveyor, and then discharged through a hopper at the machine's center to the stockyard's belt conveyor for removal. Through the machine's operation, the boom's rotation and pitch control allow the bucket wheel to completely remove material from the stockpile.

[0003] However, in existing technologies, after prolonged operation of a bucket wheel stacker-reclaimer, the weighing column of the hopper can deform due to the boom rotation and bucket wheel rotation, thus failing to effectively support the control of the entire machine. In more serious cases, it can even lead to accidents involving large mechanical equipment. Furthermore, current methods mostly involve manual repair or replacement of the column, which affects the normal operation of the equipment and is not conducive to improving work efficiency. Therefore, how to provide a device to prevent deformation of the weighing column of the hopper of a bridge crane is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a device for preventing deformation of the weighing column of the bridge crane hopper. This invention adds two additional support devices on both sides of the weighing column of the bridge crane hopper. Based on different parameters detected by the detection module, the extension of the support devices is automatically controlled to prevent the weighing column of the bridge crane hopper from tilting and deforming due to long-term operation. This not only improves the working efficiency of the overall device, but also reduces the existing safety hazards.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A device for preventing deformation of the weighing column of a bridge crane hopper, comprising:

[0007] Bridge crane hopper weighing column;

[0008] The first support column is disposed on one side of the weighing column of the bridge crane hopper, and the first support column is used to prevent the weighing column of the bridge crane hopper from tilting and deforming.

[0009] The first support column is equipped with a detection module, which includes a pressure sensor and a tilt angle detector. The pressure sensor is used to detect the pressure P on the first support column in real time.

[0010] The first support column is also equipped with a controller, which is used to control the extension of the first support column according to the pressure P applied to the first support column.

[0011] In some embodiments of this application, the first support column includes:

[0012] Support the upper base;

[0013] A support connecting block is fixedly connected to the lower end of the upper support base;

[0014] A connecting rod, one end of which is fixedly connected to the lower end of the supporting connecting block;

[0015] A connecting post, wherein the connecting post is connected to the other end of the connecting rod, and the other end of the connecting rod is sleeved on the connecting post;

[0016] A supporting base is provided, which is fixedly connected to the other end of the connecting column.

[0017] In some embodiments of this application, it also includes:

[0018] A propulsion assembly is disposed within the connecting column. The propulsion assembly is used to push the connecting rod to extend. The length of the connecting rod sleeved within the connecting column does not exceed 1 / 3 of the total length of the connecting rod.

[0019] The controller is used to control the propulsion assembly to push the connecting rod to extend based on the pressure P applied to the first support column.

[0020] In some embodiments of this application, the controller is configured with a preset pressure matrix T0 of the first support column and a preset connecting rod elongation matrix A. For the preset connecting rod elongation matrix A, A(A1, A2, A3, A4) is set, where A1 is the first preset connecting rod elongation, A2 is the second preset connecting rod elongation, A3 is the third preset connecting rod elongation, and A4 is the fourth preset connecting rod elongation, and A1 < A2 < A3 < A4; for the preset pressure matrix T0 of the first support column, T0(T01, T02, T03, T04) is set, where T01 is the pressure of the first preset first support column, T02 is the pressure of the second preset first support column, T03 is the pressure of the third preset first support column, and T04 is the pressure of the fourth preset first support column, and T01 < T02 < T03 < T04;

[0021] The controller is used to select the corresponding connecting rod extension length as the length by which the propulsion component pushes the connecting rod to extend, based on the relationship between P and the pressure matrix T0 of the preset first support column.

[0022] When P < T01, the first preset connecting rod extension length A1 is selected as the length by which the propulsion component pushes the connecting rod to extend.

[0023] When T01≤P<T02, the second preset connecting rod extension length A2 is selected as the length by which the propulsion component pushes the connecting rod to extend.

[0024] When T02≤P<T03, the third preset connecting rod extension length A3 is selected as the length by which the propulsion component pushes the connecting rod to extend.

[0025] When T03≤P<T04, the fourth preset connecting rod extension length A4 is selected as the length by which the propulsion component pushes the connecting rod to extend.

[0026] In some embodiments of this application, it also includes:

[0027] An alarm unit is provided, which is equipped with a preset limit pressure value P0 of the first support column. The alarm unit is used to provide a real-time alarm in the form of voice alarm when the pressure P on the first support column detected in real time is greater than or equal to the limit pressure value P0 of the first support column.

[0028] In some embodiments of this application, the tilt angle detector is also used to detect the tilt angle K of the weighing column of the bridge crane hopper in real time;

[0029] The controller is also used to correct the length of the first support column extension based on the angle K of inclination of the weighing column of the bridge crane hopper.

[0030] In some embodiments of this application, the controller further includes a preset tilt angle matrix G0 for the weighing column of the bridge crane hopper and a preset connecting rod elongation length correction coefficient matrix C. For the preset connecting rod elongation length correction coefficient matrix C, C(C1, C2, C3, C4) is defined, where C1 is the first preset connecting rod elongation length correction coefficient, C2 is the second preset connecting rod elongation length correction coefficient, C3 is the third preset connecting rod elongation length correction coefficient, and C4 is the fourth preset connecting rod elongation length correction coefficient. The coefficients are given, and 1 < C1 < C2 < C3 < C4 < 1.2; for the preset bridge crane hopper weighing column tilt angle matrix G0, G0(G01, G02, G03, G04) is set, where G01 is the first preset bridge crane hopper weighing column tilt angle, G02 is the second preset bridge crane hopper weighing column tilt angle, G03 is the third preset bridge crane hopper weighing column tilt angle, and G04 is the fourth preset bridge crane hopper weighing column tilt angle, and G01 < G02 < G03 < G04;

[0031] The controller is also used to select a corresponding correction coefficient based on the relationship between K and the preset bridge crane hopper weighing column tilt angle matrix G0 to correct the elongation length of each preset connecting rod.

[0032] When K < G01, the first preset connecting rod elongation length correction coefficient C1 is selected to correct the first preset connecting rod elongation length A1, and the corrected lubrication time is A1 * C1;

[0033] When G01≤K<G02, the second preset connecting rod elongation length correction coefficient C2 is selected to correct the second preset connecting rod elongation length A2. The corrected lubrication time is A2*C2.

[0034] When G02≤K<G03, the third preset connecting rod elongation length correction coefficient C3 is selected to correct the third preset connecting rod elongation length A3. The corrected lubrication time is A3*C3.

[0035] When G03≤K<G04, the fourth preset connecting rod elongation length correction coefficient C4 is selected to correct the fourth preset connecting rod elongation length A4. The corrected lubrication time is A4*C4.

[0036] In some embodiments of this application, the alarm unit is further provided with a preset limit tilt angle value K0 of the bridge crane hopper weighing column. The alarm unit is also used to provide a real-time alarm in the form of a voice alarm when the tilt angle K of the bridge crane hopper weighing column detected in real time is greater than or equal to the limit tilt angle value K0 of the bridge crane hopper weighing column.

[0037] In some embodiments of this application, it also includes:

[0038] The second support column is located on the other side of the weighing column of the bridge crane hopper. The second support column is used to prevent the weighing column of the bridge crane hopper from tilting and deforming.

[0039] In some embodiments of this application, the distance between the first support column and the weighing column of the bridge crane hopper does not exceed 100cm;

[0040] The distance between the second support column and the weighing column of the bridge crane hopper shall not exceed 60cm.

[0041] This invention provides a device for preventing deformation of the weighing column of a bridge crane hopper. Compared with the prior art, its advantages are as follows:

[0042] This invention effectively prevents the weighing column of the bridge crane hopper from tilting and deforming by adding two support columns on each side. Furthermore, a detection module is installed on the first support column. Based on the detected pressure on the first support column, combined with automated control, the extension of the first support column is controlled to prevent tilting and reduce safety hazards caused by prolonged equipment operation. This invention offers advantages such as automation, accuracy, and safety. Attached Figure Description

[0043] Figure 1 This is a front view of the device used to prevent deformation of the weighing column of the bridge crane hopper in an embodiment of the present invention;

[0044] Figure 2 This is a side view of a device used to prevent deformation of the weighing column of the bridge crane hopper in an embodiment of the present invention;

[0045] Figure 3 This is a top view of a device used to prevent deformation of the weighing column of the bridge crane hopper in an embodiment of the present invention.

[0046] In the diagram: 101, weighing column of the bridge crane hopper; 102, upper support base; 103, support connecting block; 104, connecting rod; 105, propulsion assembly; 106, controller; 107, detection module; 108, alarm unit; 109, lower support base; 201, first support column; 301, second support column. Detailed Implementation

[0047] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0048] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0049] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0050] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the communication between the inner sides of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0051] In existing technologies, after prolonged operation of a bucket wheel stacker-reclaimer, the weighing columns of the hopper may deform due to the boom rotation and bucket wheel rotation, thus failing to effectively support the control of the entire machine. In more serious cases, this can lead to accidents involving large mechanical equipment. Furthermore, current methods mostly involve manual repair or replacement of the columns, which affects the normal operation of the equipment and reduces work efficiency.

[0052] Therefore, the present invention provides a device for preventing deformation of the weighing column of the bridge crane hopper. By adding two additional support devices on both sides of the weighing column of the bridge crane hopper, and automatically controlling the extension of the support devices according to different parameters detected by the detection module, the tilting deformation of the weighing column of the bridge crane hopper caused by long-term operation is prevented, which not only improves the working efficiency of the overall device, but also reduces the existing safety hazards.

[0053] See Figure 1 As shown, the disclosed embodiment of the present invention provides a device for preventing deformation of the weighing column 101 of a bridge crane hopper, comprising:

[0054] Bridge crane hopper weighing column 101;

[0055] The first support column 201 is located on one side of the bridge crane hopper weighing column 101 and is used to prevent the bridge crane hopper weighing column 101 from tilting and deforming.

[0056] A detection module 107 is provided on the first support column 201. The detection module 107 includes a pressure sensor and a tilt angle detector. The pressure sensor is used to detect the pressure P on the first support column 201 in real time.

[0057] A controller 106 is also provided on the first support column 201. The controller 106 is used to control the extension of the first support column 201 according to the pressure P that the first support column 201 is subjected to.

[0058] In one specific embodiment of this application, the first support column 201 includes:

[0059] Support base 102;

[0060] Support connecting block 103 is fixedly connected to the lower end of the support upper base 102;

[0061] Connecting rod 104, one end of which is fixedly connected to the lower end of support connecting block 103;

[0062] A connecting post is connected to the other end of the connecting rod 104, and the other end of the connecting rod 104 is sleeved on the connecting post;

[0063] The lower support base 109 is fixedly connected to the other end of the connecting column.

[0064] In one specific embodiment of this application, it further includes:

[0065] A propulsion component 105 is disposed inside the connecting column. The propulsion component 105 is used to push the connecting rod 104 to extend. The length of the connecting rod 104 sleeved inside the connecting column does not exceed 1 / 3 of the total length of the connecting rod 104.

[0066] The controller 106 is used to control the propulsion assembly 105 to push the connecting rod 104 to extend according to the pressure P on the first support column 201.

[0067] In one specific embodiment of this application, the controller 106 is configured with a preset pressure matrix T0 of the first support column 201 and a preset elongation length matrix A of the connecting rod 104. For the preset elongation length matrix A of the connecting rod 104, A(A1, A2, A3, A4) is defined, where A1 is the first preset elongation length of the connecting rod 104, A2 is the second preset elongation length of the connecting rod 104, A3 is the third preset elongation length of the connecting rod 104, and A4 is the fourth preset elongation length of the connecting rod 104. The pressure matrix T0 of the preset first support column 201 is set as follows: T0(T01, T02, T03, T04), where T01 is the pressure of the first preset first support column 201, T02 is the pressure of the second preset first support column 201, T03 is the pressure of the third preset first support column 201, and T04 is the pressure of the fourth preset first support column 201, and T01 < T02 < T03 < T04.

[0068] The controller 106 is used to select the corresponding extension length of the connecting rod 104 as the extension length of the control propulsion assembly 105 to push the connecting rod 104 to extend based on the relationship between P and the pressure matrix T0 of the preset first support column 201.

[0069] When P < T01, the first preset extension length A1 of the connecting rod 104 is selected as the length by which the control propulsion component 105 pushes the connecting rod 104 to extend.

[0070] When T01≤P<T02, the second preset extension length A2 of the connecting rod 104 is selected as the length by which the control propulsion component 105 pushes the connecting rod 104 to extend.

[0071] When T02≤P<T03, the third preset connecting rod 104 extension length A3 is selected as the length by which the control propulsion component 105 pushes the connecting rod 104 to extend.

[0072] When T03≤P<T04, the extension length A4 of the fourth preset connecting rod 104 is selected as the length by which the control propulsion component 105 pushes the connecting rod 104 to extend.

[0073] In one specific embodiment of this application, it further includes:

[0074] The alarm unit 108 is equipped with a preset limit pressure value P0 of the first support column 201. The alarm unit 108 is used to issue a real-time alarm in the form of voice alarm when the pressure P on the first support column 201 detected in real time is greater than or equal to the limit pressure value P0 of the first support column 201.

[0075] In one specific embodiment of this application, the tilt angle detector is also used to detect the tilt angle K of the bridge crane hopper weighing column 101 in real time;

[0076] The controller 106 is also used to correct the length of the extension of the first support column 201 according to the angle K of the tilt of the weighing column 101 of the bridge crane hopper.

[0077] In one specific embodiment of this application, the controller 106 is further configured with a preset tilt angle matrix G0 of the weighing column of the bridge crane hopper and a preset extension length correction coefficient matrix C of the connecting rod 104. For the preset extension length correction coefficient matrix C of the connecting rod 104, C(C1, C2, C3, C4) is set, where C1 is the first preset extension length correction coefficient of the connecting rod 104, C2 is the second preset extension length correction coefficient of the connecting rod 104, C3 is the third preset extension length correction coefficient of the connecting rod 104, and C4 is the fourth preset extension length correction coefficient of the connecting rod 104. The extension length correction coefficient of the connecting rod 104 is 1 < C1 < C2 < C3 < C4 < 1.2; For the preset bridge crane hopper weighing column tilt angle matrix G0, set G0(G01, G02, G03, G04), where G01 is the first preset bridge crane hopper weighing column tilt angle, G02 is the second preset bridge crane hopper weighing column tilt angle, G03 is the third preset bridge crane hopper weighing column tilt angle, and G04 is the fourth preset bridge crane hopper weighing column tilt angle, and G01 < G02 < G03 < G04;

[0078] The controller 106 is also used to select the corresponding correction coefficient according to the relationship between K and the preset bridge crane hopper weighing column tilt angle matrix G0 to correct the elongation length of each preset connecting rod 104.

[0079] When K < G01, the first preset connecting rod 104 elongation length correction coefficient C1 is selected to correct the first preset connecting rod 104 elongation length A1, and the corrected lubrication time is A1 * C1;

[0080] When G01≤K<G02, select the second preset connecting rod 104 elongation length correction coefficient C2 to correct the second preset connecting rod 104 elongation length A2, and the corrected lubrication time is A2*C2;

[0081] When G02≤K<G03, select the third preset connecting rod 104 elongation length correction coefficient C3 to correct the third preset connecting rod 104 elongation length A3, and the corrected lubrication time is A3*C3;

[0082] When G03≤K<G04, select the fourth preset connecting rod 104 elongation length correction coefficient C4 to correct the fourth preset connecting rod 104 elongation length A4. The corrected lubrication time is A4*C4.

[0083] In one specific embodiment of this application, the alarm unit 108 is further provided with a preset limit tilt angle value K0 of the bridge crane hopper weighing column 101. The alarm unit 108 is also used to provide a real-time alarm in the form of voice alarm when the tilt angle K of the bridge crane hopper weighing column 101 detected in real time is greater than or equal to the limit tilt angle value K0 of the bridge crane hopper weighing column 101.

[0084] In one specific embodiment of this application, see [reference] Figure 2 As shown in Figure 3, it also includes:

[0085] The second support column 301 is located on the other side of the bridge crane hopper weighing column 101. The second support column 301 is used to prevent the bridge crane hopper weighing column 101 from tilting and deforming.

[0086] In one specific embodiment of this application, the distance between the first support column 201 and the weighing column 101 of the bridge crane hopper does not exceed 100cm;

[0087] The distance between the second support column 301 and the weighing column 101 of the bridge crane hopper shall not exceed 60cm.

[0088] In summary, this invention adds two support columns on each side of the weighing column of the bridge crane hopper. Based on the tilt angle and pressure parameters detected in real time by the first support column, the extension of the first support column is controlled to lift the tilted part and keep it horizontal, effectively preventing the bridge crane hopper weighing column from tilting and deforming. Furthermore, a detection module is installed on the first support column. Based on the detected pressure on the first support column, combined with automated control, there is no need to rely on multiple replacements of the support column. Instead, by controlling the extension of the first support column, the tilting of the bridge crane hopper weighing column is prevented, saving the manpower and resources spent on multiple replacements and reducing the safety hazards caused by long-term operation of the equipment.

[0089] The above description is merely one embodiment of the present invention, but it cannot be used to limit the scope of the present invention. Any structural changes made based on the present invention, as long as they do not lose the essence of the present invention, should be considered as falling within the protection scope of the present invention and subject to its restrictions.

[0090] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working process and related descriptions of the system described above can be found in the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0091] It should be noted that the system provided in the above embodiments is only illustrated by the division of the above functional modules. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the modules or steps in the embodiments of the present invention can be further decomposed or combined. For example, the modules in the above embodiments can be merged into one module, or further divided into multiple sub-modules to complete all or part of the functions described above. The names of the modules and steps involved in the embodiments of the present invention are only for distinguishing the various modules or steps and are not considered as an improper limitation of the present invention.

[0092] Those skilled in the art will recognize that the modules and method steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. The programs corresponding to the software modules and method steps can be placed in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disks, removable disks, CD-ROMs, or any other form of storage medium known in the art. To clearly illustrate the interchangeability of electronic hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in electronic hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the invention.

[0093] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent in such process, method, article, or apparatus / device.

[0094] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

[0095] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A device for preventing deformation of the weighing column of a bridge crane hopper, characterized in that, include: Bridge crane hopper weighing column; The first support column is disposed on one side of the weighing column of the bridge crane hopper, and the first support column is used to prevent the weighing column of the bridge crane hopper from tilting and deforming. The first support column is equipped with a detection module, which includes a pressure sensor and a tilt angle detector. The pressure sensor is used to detect the pressure P on the first support column in real time. The first support column is also equipped with a controller, which is used to control the extension of the first support column according to the pressure P applied to the first support column; The first support column includes: Support the upper base; A support connecting block is fixedly connected to the lower end of the upper support base; A connecting rod, one end of which is fixedly connected to the lower end of the supporting connecting block; A connecting post, wherein the connecting post is connected to the other end of the connecting rod, and the other end of the connecting rod is sleeved on the connecting post; A supporting lower base is fixedly connected to the other end of the connecting column; The device for preventing deformation of the weighing column of the bridge crane hopper also includes: A propulsion assembly is disposed within the connecting column. The propulsion assembly is used to push the connecting rod to extend. The length of the connecting rod sleeved within the connecting column does not exceed 1 / 3 of the total length of the connecting rod. The controller is used to control the propulsion assembly to push the connecting rod to extend according to the pressure P received by the first support column; The controller is configured with a preset pressure matrix T0 on the first support column and a preset connecting rod elongation matrix A. For the preset connecting rod elongation matrix A, A(A1, A2, A3, A4) is defined, where A1 is the first preset connecting rod elongation, A2 is the second preset connecting rod elongation, A3 is the third preset connecting rod elongation, and A4 is the fourth preset connecting rod elongation, with A1 < A2 < A3 < A4. For the preset pressure matrix T0 on the first support column, T0(T01, T02, T03, T04) is defined, where T01 is the pressure on the first preset first support column, T02 is the pressure on the second preset first support column, T03 is the pressure on the third preset first support column, and T04 is the pressure on the fourth preset first support column, with T01 < T02 < T03 < T04. The controller is used to select the corresponding connecting rod extension length as the length by which the propulsion component pushes the connecting rod to extend, based on the relationship between P and the pressure matrix T0 of the preset first support column. When P < T01, the first preset connecting rod extension length A1 is selected as the length by which the propulsion component pushes the connecting rod to extend. When T01≤P<T02, the second preset connecting rod extension length A2 is selected as the length by which the propulsion component pushes the connecting rod to extend. When T02≤P<T03, the third preset connecting rod extension length A3 is selected as the length by which the propulsion component pushes the connecting rod to extend. When T03≤P<T04, the fourth preset connecting rod extension length A4 is selected as the length by which the propulsion component pushes the connecting rod to extend.

2. The device for preventing deformation of the weighing column of the bridge crane hopper according to claim 1, characterized in that, Also includes: An alarm unit is provided, which is equipped with a preset limit pressure value P0 of the first support column. The alarm unit is used to provide a real-time alarm in the form of voice alarm when the pressure P on the first support column detected in real time is greater than or equal to the limit pressure value P0 of the first support column.

3. The device for preventing deformation of the weighing column of the bridge crane hopper according to claim 2, characterized in that, The tilt angle detector is also used to detect the tilt angle K of the weighing column of the bridge crane hopper in real time. The controller is also used to correct the length of the first support column extension based on the angle K of inclination of the weighing column of the bridge crane hopper.

4. The device for preventing deformation of the weighing column of a bridge crane hopper according to claim 3, characterized in that, The controller also includes a preset tilt angle matrix G0 for the weighing column of the bridge crane hopper and a preset connecting rod elongation correction coefficient matrix C. For the preset connecting rod elongation correction coefficient matrix C, C(C1, C2, C3, C4) is defined, where C1 is the first preset connecting rod elongation correction coefficient, C2 is the second preset connecting rod elongation correction coefficient, C3 is the third preset connecting rod elongation correction coefficient, and C4 is the fourth preset connecting rod elongation correction coefficient, and 1 < 1 / 2. C1 < C2 < C3 < C4 < 1.2; For the preset bridge crane hopper weighing column tilt angle matrix G0, set G0(G01, G02, G03, G04), where G01 is the first preset bridge crane hopper weighing column tilt angle, G02 is the second preset bridge crane hopper weighing column tilt angle, G03 is the third preset bridge crane hopper weighing column tilt angle, G04 is the fourth preset bridge crane hopper weighing column tilt angle, and G01 < G02 < G03 < G04; The controller is also used to select a corresponding correction coefficient based on the relationship between K and the preset bridge crane hopper weighing column tilt angle matrix G0 to correct the elongation length of each preset connecting rod. When K < G01, the first preset connecting rod elongation length correction coefficient C1 is selected to correct the first preset connecting rod elongation length A1, and the corrected lubrication time is A1 * C1; When G01≤K<G02, the second preset connecting rod elongation length correction coefficient C2 is selected to correct the second preset connecting rod elongation length A2. The corrected lubrication time is A2*C2. When G02≤K<G03, the third preset connecting rod elongation length correction coefficient C3 is selected to correct the third preset connecting rod elongation length A3. The corrected lubrication time is A3*C3. When G03≤K<G04, the fourth preset connecting rod elongation length correction coefficient C4 is selected to correct the fourth preset connecting rod elongation length A4. The corrected lubrication time is A4*C4.

5. The device for preventing deformation of the weighing column of the bridge crane hopper according to claim 4, characterized in that, The alarm unit is also equipped with a preset limit tilt angle value K0 of the weighing column of the bridge crane hopper. The alarm unit is also used to issue a real-time alarm in the form of voice alarm when the tilt angle K of the weighing column of the bridge crane hopper detected in real time is greater than or equal to the limit tilt angle value K0 of the weighing column of the bridge crane hopper.

6. The device for preventing deformation of the weighing column of a bridge crane hopper according to claim 1, characterized in that, Also includes: The second support column is located on the other side of the weighing column of the bridge crane hopper. The second support column is used to prevent the weighing column of the bridge crane hopper from tilting and deforming.

7. A device for preventing deformation of the weighing column of a bridge crane hopper according to claim 6, characterized in that, The distance between the first support column and the weighing column of the bridge crane hopper shall not exceed 100cm; The distance between the second support column and the weighing column of the bridge crane hopper shall not exceed 60cm.

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